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UM980 GNSS/GPS/RTK Board Module, Base/Rover Station, Strong Anti-Interference for UAVs

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Model:
AK361Z
Chip:
 UM980
Working frequency band: BDS/GPS/GLONASS/GALILEO/QZSS
Baud rate: 115200bps (default)
Update frequency: 1Hz-20Hz (default 1Hz)

Speed accuracy: 0.03m/s
Working voltage: 3.3~5V DC
Power consumption: <800mW
Size: φ50*30*3.5mm
Weight: 11g
Connector: GH1.25mm 4pin*2 / SMA-J straight head
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  • Connector:
    SMA straight head
    SMA straight head
    SMA elbow
    SMA elbow
    MCX straight head
    MCX straight head
    MCX elbow
    MCX elbow
    MMCX straight head
    MMCX straight head
    MMCX elbow
    MMCX elbow
    IPEX
    IPEX
    customizable
Quantity:
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
1/1
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
  • UM980 module GNSS full system full frequency differential positioning RTK engine and starry sky RTK integrated module drone precision agriculture
  • Description






丨 Product Introduction

1. Advanced positioning technology: Based on the UM980 series, it integrates a full system full frequency RTK engine and a Beidou RTK module, which can achieve high-precision positioning even under harsh conditions.

2. Multi system compatibility: It can receive and process signals from multiple satellite navigation systems, with high compatibility and flexibility.

3. Fast positioning response: The four mode joint RTK scheme ensures fast positioning initialization, guaranteeing speed and accuracy.

4. Low noise anti-interference: Industrial grade low-noise RF circuits suppress multipath interference and ensure accurate signal and positioning.



Specification parameters

Chip

characteristics

chip

UM980

working frequency

BDS: B1I B2I B3I B1C B2a B2b

GPS: L1 C/A L1C L2P (Y) L2C L5

GLONASS: L1 L2

Galileo: E1 E5a E5b E6

QZSS: L1 L2 L5 L6

Receiving channel

1408 channel

Accuracy

Single point positioning (RMS)

Plane: 1.5m

Elevation: 2.5m

DGPS(RMS)

Plane: 0.4m

Elevation: 0.8m

RTK(RMS)

Flat: 0.8cm+1ppm

Elevation: 1.5cm+1ppm

Observation accuracy (RMS)

BDS

GPS

GLONASS

Galileo

B1I/B1C/L1C/L1 C/A/E1/G1Pseudo-range

10cm

10cm

10cm

10cm

B1I/B1C/L1C/L1 C/A/E1/G1Carrier Phase

1mm

1mm

1mm

1mm

B3I/L2P(Y)/L2C/G2

Pseudo-range

10cm

10cm

10cm

10cm

B3I/L2P(Y)/L2C/G2

Carrier Phase

1mm

1mm

1mm

1mm

B2I/B2a/B2b/L5/E5a/E5b

Pseudo-range

10cm

10cm

10cm

10cm

B2I/B2a/B2b/L5/E5a/E5b

Carrier Phase

1mm

1mm

1mm

1mm

Time accuracy (RMS)

10 ns

Speed accuracy (RMS)

0.03m/s

Start Time

cold boot

<10s

Initialization time

<5s (typical value)

Initialize reliability

>99.9%

output data

Baud rate

115200bps (default) [Optional: 4800-921600]

Output interface

TTL

Output Protocol

NMEA0183、RTCM 3.3

update frequency

1Hz-20Hz (default 1Hz)

Differential

data

Differential data

RTCM 3.3/3.2/3.1/3.0

Carrier phase output

Support, output RAWX statement

FLASH

built-in

Electrical

specifications

working voltage

3.3V~5V DC

power waste

<800mW

Physical

parameters

size

50*30*3.5mm

weight

11g

Connector

GH1.25mm 4pin*2

Antenna connector

SMA-J straight head (customizable)

Environment

working temperature

-35℃-80℃

Storage temperature

-40℃-95℃






product mix





                                                 Table 1 PIN Functionality

NO.

Signal Name

Signal Description

CON1

VCC

Main power input for COM1, 3.0-5.5V

GND

Ground connection for COM1 module

TXD1

Main serial port (COM1) data transmission, outputs NMEA0183 format location results when configured as "mobile station," outputs RTCM2.x/3.x format differential data stream when configured as "reference station

RXD1

Main serial port (COM1) data reception, input port for configuration commands

CON2

VCC

Main power input for COM1, 3.0-5.5V

GND

Ground connection for COM2 module

TXD2

COM2 output interface

RXD2

COM2 differential serial port (COM2) data input, only valid when configured as "mobile station," accepts RTCM2.x/3.x format differential data input

Indicator Light Definitions

1

RTK-STAT

RTK positioning indicator light, active high, outputs high level when RTK fixed solution is achieved. Outputs low level for other positioning states or when not positioned.

2

POWER

Indicates power supply status.

3

PPS

Pulse Per Second (PPS) output, outputs a pulse per second after positioning, light blinks.


                                              Table 2 Interface Characteristics

No.

Name

Symbol

Min

Typical

Max

Unit

1

Main Power Supply

Vcc

2.7

3.3

5.0

V

2

RF Port Supply Voltage

VRF

1.4

3.3

3.6

V

3

Input High Level

VIH

2.0

 

 

V

4

Input Low Level

VIL

 

 

0.7

V

5

Output High Level

VOH

3.2

 

 

V

6

Output Low Level

VOL

 

 

0.1

V

7

Main UART Baud Rate - Baud

Baud

 

115200

 

bps

8

Differential Baud Rate - Baud

Baud

 

115200

 

bps




Packaging and Delivery:










DALANG AK361Z Ultra-Compact High-Precision RTK Positioning Module

Ultra-Compact, Cost-Effective, High-Precision GNSS Engine
The DALANG AK361Z module is an ultra-compact, low-cost, low-power, high-performance real-time kinematic (RTK) differential positioning solution based on the UM980 chip. It integrates a full-system, full-frequency RTK engine and Beidou RTK module, delivering centimeter-level accuracy for UAVs, automotive, and surveying applications. The module can be configured as either a rover or a base station, using carrier phase differential technology to eliminate errors and achieve high-precision positioning.

Full-Frequency RTK Engine for Real-Time Positioning
With its full-frequency RTK engine, the AK361Z provides stable and reliable positioning data across various applications. Whether acting as a rover outputting NMEA location results or as a base station broadcasting RTCM differential data streams, this module ensures accurate location information.

Designed for Space-Constrained Integration Applications
Featuring an ultra-compact design (50*30*3.5mm) and weighing only 11g, the AK361Z module is fully compatible with open-source flight control systems like Pixhawk and APM. It is the ideal choice for small UAVs, handheld devices, or other space-sensitive applications.

Reliability in Harsh Environments
With an industrial-grade low-noise RF circuit design, the AK361Z performs excellently in challenging environments, ensuring stable GNSS output under real-world conditions.


Product Advantages

  • UM980 Chip-based with Full-System, Full-Frequency Support
    Leveraging the UM980 chip, the module supports multi-system, multi-frequency signals including BDS, GPS, GLONASS, Galileo, and QZSS, enabling real-time centimeter-level positioning.

  • Dual-Mode Flexible Configuration
    Operates as either a base station or rover, offering ultimate application flexibility to meet diverse scenario needs.

  • Ultra-Compact Size and Low Power Consumption
    The AK361Z boasts an extremely compact design (50*30*3.5mm) and power consumption below 800mW, making it perfect for miniaturized devices and portable applications.

  • High Compatibility and Easy Integration
    Fully compatible with mainstream open-source flight control systems, it offers TTL UART interfaces and rich status indicators for easy integration and monitoring.


Need an Ultra-Compact High-Precision Positioning Solution?
Achieve exceptional positioning performance within limited space – choose the DALANG AK361Z GNSS module based on the UM980 chip today.




About Us

DALANG is a dedicated manufacturer of high-performance GNSS modules and RTK positioning solutions, serving industries such as UAV navigation, precision agriculture, and geospatial mapping. With a clear focus on accuracy, reliability, and integration flexibility, we support both standard and custom applications across global markets. Our product lines are engineered to meet the evolving demands of real-time positioning with support for multiple GNSS constellations, including GPS, GLONASS, BDS, and Galileo.

Our production facility spans 2,500㎡ and includes advanced SMT lines, in-house R&D labs, and full functional testing for every unit shipped. With a team of 30+ GNSS engineers, we design and manufacture over 200,000 GNSS receivers and modules annually. Certified to ISO9001:2015, and compliant with CE and RoHS standards, we follow a strict quality assurance process from prototyping through mass production. We also provide firmware updates, system integration support, and full lifecycle product documentation.

Trusted by partners in over 30 countries, DALANG delivers fast, scalable manufacturing with personalized technical support. Our streamlined collaboration model—covering inquiry, consultation, prototyping, and delivery—ensures efficiency from first contact to deployment. Whether you're sourcing off-the-shelf GNSS hardware or launching a customized solution, DALANG is your dependable partner for accurate, cost-effective positioning systems.


FAQ

1. Who are we?
We are DALANG, a specialized manufacturer of GNSS modules and RTK positioning systems based in China, with a focus on high-precision solutions for UAVs, surveying, and smart agriculture.

2. How can we guarantee quality?
All products undergo strict multi-stage quality control, including SMT production, functional testing, and 100% final inspection. We are ISO9001:2015 certified and follow international compliance standards such as CE and RoHS.

3. What can you buy from us?
You can purchase GNSS receivers, RTK modules, base stations, antennas, flight control positioning systems, and other GNSS-related components and accessories.

4. Why should you buy from us not from other suppliers?
We combine strong in-house R&D, flexible OEM/ODM support, industrial-grade quality assurance, and fast global delivery. Our expertise in GNSS RTK ensures stable, accurate, and scalable solutions tailored to your specific use case.

5. What services can we provide?
We offer OEM/ODM customization, technical consulting, firmware support, prototyping, and global after-sales service. Our team works closely with international clients to ensure efficient communication and long-term support.


 

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